<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		
		<style type="text/css">
			#content{overflow:hidden;}
.left{width:200px; margin-bottom:-3000px; padding-bottom:3000px; background:#cad5eb; float:left;}

.center{margin:0 410px 0 210px; background:#ffe6b8; height:600px;}
		</style>
	</head>
	<body>
		<div id="content">
    <div class="left">左边，无高度属性，自适应于最高一栏的高度</div>
    <div class="center">中间，高度600像素，左右两栏的高度与之自适应</div>
    
</div>
<div>送</div>
	</body>
</html>
